Water-tube boiler.



A No. s69,|8|. Patented Mar. 5, |9ol.

F. BEUSING; WATER TUBE BDILER. (Ap'pumion md ma. e19oo.1 (nu nodal.)

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No. 669,1'sl.- Patented mar. 5, 190|.'

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WATER TUBE BOILER.

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Patented Mar. 5, |90I.

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WATER TUBE BUILER.

(Apphcstxou Bled Har 8, 1900) FRITZ REUSING, OF MULHEIM, GERMANY.

WATER-TUBE BOILER.

SPECFICATION forming part of Letters Patent No. 669,181, dated March 5, 1901.

To @ZZ whom it may concern:

Be it known that l, FRITZ REUSING, a subject of the King of Prussia, German Emperor, and a resident of Mulheim, in the Kingdom ot Prussia, German Empire, have invented certain new and useful Improvements in Water- Tube Boilers, (for which I have applied for a patent in Germany, dated July 20, 1699, and in England, dated January 29, 1900,) of which the following is a specification.

My invention relates to an improved U S construction of water-tuberboilers in which groups of horizontal water-tubes are combined with groups of vertical or inclined watertubes, each of which is connected separately to an upper steam-chamber common to all of them, the furnace chamber or chambers being formed either by the groups ot' tubes, waterchambers, and front walls or doors of the casing or only by the tube groups and the said front walls or doors of the casing. Thus as the boiler` is composed of separate conveniently-handled parts it can readily be erected or taken to pieces and cleaned.

I will describe my said invention with ret'- erence to the accompanying drawings, in which- Figure l shows a part front elevation and part cross-section, and Fig. 2 a longitudinal section; of a water-tube boiler with a central furnace-grate, while Figs. 3 and 4 show similar views of a modified construction with only two lateral furnace-grates.

The boiler shown at Figs. l and 2 consists of a water and steam chamber A with two lateral compartments B and C, of which B, Fig. 2, is fixed rigidly to the chamber A, while C is not so lixed, but can move freely in following the expansion and contraction of the horizontal tube group D. From each side of the chamber A larger tubes E E branch off, to which are connected at F the water-chambers G G. These chambers G G, which constitute the side walls of the boiler, are connected by the tubes H, on which are laid the lateral grate-bars N with' the chambers J J. These water-chambers J and the U S Waterchambers G are also connected together byv Application iiledMarcll 8, 1900. Serial No. l2,873. (No modell:

chambers J and about the same height as the lower ends of the tube groups K is arranged the third tire-grate L, The furnace-chambers are inclosed at front and back by the doors M, lined with refractory material. The combustion-gases rising from the furnace-grates N pass in contact with the tube groups K, arranged in inclined positions, and are led by the partition-Walls O and P in such manner that they are made to combine with the gases rising from the furnace-grate L and pass, together with these, in contact with the watertube group D. From these the gases rise on either side of the upper water and steam chamber A and eventually escape into the smoke-box Q and uptake. On disconnecting the flanged joints F F, which are arranged either just within the walls of the smoke-box Q or outside these, the chamber A, together with the horizontal water-tubes, can be removed, so that by this means the boiler can be readily taken to pieces, cleaned, and, if necessary, repaired and reerected. In the smoke-boxes Q may be arranged a superheater, if required.

The modified construction shown at Figs. 3 and 4E is generally similar to the above described, with the exception that the middle fire-grate is omitted,'so that the bottom water-cham bers J J meet. In this case the combustion-gases from the furnace-grates N first pass in contact with the inclined tube groups K and then with the horizontal tube group D, from which they pass in contact with the chamber A, and thence into the smoke-box Q and uptake. The other parts of the boiler are designated by the same letters of reference as the corresponding parts of the first construction and need not be further referred to.

The arrows indicate the direction of the circulation of the Vwater and steam in both constructions.

Having now particularly described and ascertained the nature of this invention and in what manner the same is to be performed, what I'claim, and desire to secure by Letters Patent of the United States, is-

1. In a tubular boiler, the combination of a steam-chamber, lateral compartments con-v nected with said chamber, a series of horizontally-arranged tubes disposed between said compartments and opening thereinto, water- IOO jackets adapted to form the side walls of the boiler, pipes conn ecting said jackets with' said steam-chamber, Water-chambers disposed at the bottom of said boiler, tubes connecting said chambers with said jackets, a grate disposed oVer said tubes and a series of approximately vertical tubes connecting the waterchamber at the bottom of the boiler with the water-jacket at the top and forming a furg nace-chamber.

2. In a tubular boiler, the combination of a steam-chamber, groups of horizontally-disposed tubes connected with said chamber, groups of vertically-inclinedA tubes also connected with said chamber, water-jackets surrounding said boiler, and lurnacechambers formed between said jackets and: tubes.

3. In a tubular boiler, the combination of a steam-chamber, a central group of horizontal tubes connected therewith, inclined tube groups disposed on opposite sides of said central group also'connected with said chamber, and furnace-chambers disposed adjacent to said groups of tubes.

4. In a tubular boiler, the combi-nation of a steam chamber, a central horizontal tube group connected therewith, inclined tube groups also connected with said steam-chamber, water-jackets connected with said steamchamber and furnace-chambers disposed between said water-jackets and said inclined tube groups.

5. In a tubular boiler, the combinationl of a steam chamber, a central horizontal tube group connected therewith, inclined tube groups also connected with said steam-chamber, Water-jackets connected with said steamchamber and furnace-chambers disposed between said water-jackets and said inclined tube groups, and a middle furnace-chamber formed' by said inclined tube groups and the doors of the boiler.

6. InL a. tubular boiler the combination of a steam-chamber, a smoke-box surrounding said chamber, tubes leading from said chamber, waterjackets detachably connected with said tubes, a central horizontal tube group disposed below'said steam-chamber and connected therewith, inclined tube groups also connected with said chambe'iga-water-chamber disposed b'elow'said inclined tube groups, a detachable pipef'connecting said water-chamber with said Water-jackets, and a grate disposed over said pipe.

7. In a tubular boiler, the combi-'nation of a horizontal tube group, a steam-chamber disposed above saifd tube group and provided with a freely-movable compartment, anda compartment rigidly fixed tosaid chamber, said tube group being disposed between said compartments and opening therein-to.

In testimony whereof I have hereunto set my hand in the presence of two Witnesses.

FRITZ RnUsiNe.

Witnesses:

F. E. MALLETT, KARL SCHMITT. 

